// Het busje komt zo — Hollenboer
// 123 bpm, 4/4, key F major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: sustain pedal (CC 64) lengthens the held notes
// note: duplicate parts dropped: ch 6 "REED ORGAN" reed organ (copy of ch 5 "NYLON GTR" acoustic guitar nylon)
// note: Full arrangement: all 70 bars on a 32-step grid, each part at one level. Source detail keeps the original performance.
setcpm(123/4)

// Notation: c3@3 lasts 3 steps · ~ is a rest · [c3,e3] is a chord · "a, b" plays two voices at once · [...]/2 spreads a riff over 2 bars.
// A part's distinct bars are riffs (A, B, C...) played in order: edit a riff to change every repeat.

// bass · electric bass finger · "FINGERDBAS"
const bass = note(`<
  A@2 B C@2 D@2 E F@2 G@2 H@2 I@2 J@3 K@2 L M@3 N@3 O P Q@3 R@2 S T U@2 V@2 W@3 X@3 Y Z AA@2 AB AC AD AE@3 AF AG@5 AH
  AI@2 AJ AK@2 AL
>`.pickRestart({
  A: "[c2@5 d2@5 e2@3 ~@2 f2@9 ~ c2@10 f2@2 ~@3 f2@5 g2@5 a2@5 bb2@9]/2", B: "~ f2@10 bb2@2 ~@3 bb2@4 ~@2 a2@5 g2@5",
  C: "[f2@9 e2@5 d2@4 ~ c2@5 e2@5 g2@5 e2@5 ~ f2@5 d2@5 c2@5 a1@4 ~ f1@2 ~@2]/2",
  D: "[~@16 f2@9 c2@10 ~ f2@2 ~@3 f2@4 ~ e2@5 d2@4 ~ c2@8]/2", E: "~@2 g2@9 ~ c2@10 g2@5 e2@5",
  F: "[c2@10 ~ g2@10 c2@3 ~@2 c2@5 d2@5 e2@5 f2@8 ~ c2@10 ~ f2@3]/2",
  G: "[~@2 e2@5 d2@5 c2@5 f2@8 ~@2 c2@10 f2@3 ~@2 f2@4 g2@6 a2@5 bb2@7]/2",
  H: "[~@3 f2@10 ~ bb2@2 ~@3 bb2@4 ~ a2@5 g2@5 f2@9 ~ c2@10 f2@2 ~@3 f2@5]/2",
  I: "[e2@5 d2@4 c2@3 ~@3 c2@5 d2@5 e2@4 ~ f2@5 d2@5 c2@5 a1@4 ~ f1@2 ~@12]/2",
  J: "[~@6 f2@5 d2@5 c2@5 a1@5 f1@5 a1@5 c2@5 a1@5 c2@5 ~ e2@5 g2@4 e2@5 ~ c2@4 e2@6 g2@4 e2@6 c2@5 e2@4]/3",
  K: "[~ g2@4 ~ a2@5 c3@5 c2@5 d2@5 e2@5 f2@4 d2@5 ~ c2@4 a1@5 ~ f1@4 a1@5 c2@4]/2",
  L: "~@2 d2@5 f1@5 a1@5 c2@4 ~ d2@5 f1@5",
  M: "[gb1@5 g1@5 a1@5 ~ bb1@5 d2@5 f2@5 d2@5 bb1@5 db2@4 f2@5 ~ db2@5 f2@5 d2@5 c2@5 a1@5 f1@5 a1@5 bb1@5 ~ b1@4]/3",
  N: "[c2@5 e2@5 g2@4 e2@5 ~ f2@5 d2@5 c2@5 a1@5 f1@2 ~@18 f2@9 ~ c2@10 ~ f2@2 ~@3 f2@4 ~ e2@5]/3",
  O: "d2@4 c2@8 ~@3 g2@9 c2@8", P: "~@2 g2@5 e2@5 c2@10 ~ g2@9",
  Q: "[~ c2@3 ~@2 c2@5 d2@5 e2@5 f2@8 ~ c2@10 ~ f2@4 ~ e2@5 d2@5 c2@5 f2@8 ~@3 c2@10 f2@3 ~@2 f2@4 g2@5]/3",
  R: "[~ a2@5 bb2@9 ~ f2@10 bb2@2 ~@3 bb2@4 ~ a2@5 g2@5 f2@9 ~ c2@8]/2", S: "~@2 f2@2 ~@3 f2@5 e2@5 d2@4 c2@2 ~@4 c2@5",
  T: "d2@5 e2@4 ~ f2@5 d2@5 c2@5 a1@4 ~ f1@2", U: "[~@19 f2@5 d2@5 c2@4 a1@5 ~ f1@5 a1@5 c2@4 a1@5 c2@5 ~]/2",
  V: "[e2@5 g2@4 e2@6 c2@4 e2@6 g2@4 e2@6 c2@5 e2@5 g2@4 ~ a2@5 c3@5 c2@4]/2",
  W: "[~ d2@5 e2@5 f2@5 d2@5 c2@5 a1@5 f1@5 a1@5 c2@5 ~ d2@5 f1@5 a1@5 c2@4 ~ d2@5 f1@4 gb1@5 ~ g1@5 a1@5 bb1@4]/3",
  X: "[~ d2@5 f2@5 d2@5 bb1@5 db2@4 f2@5 ~ db2@5 f2@5 d2@5 c2@5 a1@5 f1@5 a1@5 bb1@5 ~ b1@4 c2@5 e2@5 g2@5 e2@5]/3",
  Y: "f2@5 ~ d2@5 c2@5 a1@5 f1@2 ~@9", Z: "~@9 f2@9 c2@10 ~ f2@2 ~",
  AA: "[~@2 f2@4 ~ e2@5 d2@4 c2@8 ~@3 g2@9 c2@9 ~ g2@5 e2@5 c2@8]/2", AB: "~@3 g2@10 c2@3 ~@2 c2@5 d2@5 e2@4",
  AC: "~ f2@8 ~@2 c2@10 ~ f2@4 ~ e2@5", AD: "d2@5 c2@5 f2@8 ~@2 c2@10 f2@2",
  AE: "[~@3 f2@4 g2@5 ~ a2@5 bb2@9 ~ f2@10 bb2@2 ~@3 bb2@4 ~ a2@5 g2@5 f2@9 ~ c2@10 f2@2 ~@3 f2@5 e2@5 d2@3]/3",
  AF: "~@2 c2@2 ~@4 c2@5 d2@5 e2@4 ~ f2@5 d2@4",
  AG: "[~ c2@5 a1@4 ~ f1@2 ~@18 f2@5 d2@5 c2@4 a1@5 ~ f1@5 a1@5 c2@4 a1@5 c2@5 ~ e2@5 g2@4 e2@5 ~ c2@4 e2@6 g2@5 e2@5 c2@5 e2@5 g2@4 ~ a2@5 ~ c3@5 c2@5 d2@5 e2@5 f2@4 d2@4]/5",
  AH: "~@2 c2@4 a1@5 ~ f1@4 a1@5 c2@5 ~ d2@5",
  AI: "[f1@5 a1@5 c2@4 ~ d2@5 f1@4 gb1@5 ~ g1@5 a1@5 bb1@5 d2@5 f2@5 d2@5 bb1@4]/2",
  AJ: "~ db2@5 f2@5 db2@5 f2@5 d2@5 c2@5 ~",
  AK: "[a1@5 f1@5 a1@5 bb1@5 b1@4 ~ c2@5 e2@5 g2@4 e2@5 ~ f2@5 d2@5 c2@5 a1@4]/2", AL: "~ f1@2 ~@29",
})).s("gm_electric_bass_finger").gain(0.5).pan(0.2)

// chords · acoustic guitar steel · "STEEL GTR"
const acoustic_guitar_steel = note(`<
  A B C@3 D E F G@3 H I J@3 K L M N@3 O P Q@3 R S M T@3 U V W X Y@2 Z AA AB@3 AC AD AE AF AG AH AI AJ AK@3 AL AM AN AO@3
  AP AQ AR AS@2 AT AU AV AW
>`.pickRestart({
  A: "~@15 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~", // F
  B: "~@3 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@3", // F Bb
  C: "[~ [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [d4,f4,bb4]@5 ~ [d4,f4,bb4] ~@4 [f4,bb4]@5 [d4,f4,bb4] ~@3 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,g4,bb4]@4 ~ [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4] ~@4, ~@21 d4@5 ~@70]/3", // Bb Bb5 Bb F C7 F
  D: "~@16 [c4,f4,a4] ~@4 [c4,f4,a4] ~@4 [c4,f4,a4]@4 ~ [c4,f4,a4]", // F
  E: "~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@3 [c4,f4,a4]@5 [c4,f4,a4] ~@5 bb4@4 [c4,g4] [e4,bb4] ~@2, ~@23 [c4,e4,g4]@5 ~@4", // F C5 Edim C
  F: "~ [c4,e4,g4,bb4]@5 ~ [c4,e4,g4,bb4] ~@4 [c4,e4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4, ~@11 g4@5 ~@16", // C7
  G: "[[c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@4 ~ [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@5 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5]/3", // C7 F
  H: "[c4,f4,a4] ~@4 [c4,eb4,f4,a4]@4 [c4,eb4,f4,a4] ~@4 [c4,eb4,f4,a4]@5 ~ [c4,eb4,f4,a4] ~@4 bb4@5 [d4,f4,bb4] ~, ~@24 [d4,f4]@5 ~@3", // F F7 Bb Dm
  I: "~@3 [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@3", // Bb
  J: "[~ [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@5 c4@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4,c5] ~@13, ~@41 [e4,g4,bb4]@5 ~@50]/3", // F C7 F Edim
  K: "~@6 [c4,f4,a4]@4 ~ [c4,f4,a4] ~@5 c4@4 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4], ~@16 [f4,a4]@5 ~@11", // F
  L: "~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,g4,bb4]@4 ~ [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@2", // F C7
  M: "~@2 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@4 ~ [c4,e4,g4,bb4] ~@4", // C7
  N: "[[c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 ~ [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,eb4,f4,a4]@5]/3", // C7 F F7
  O: "[c4,eb4,f4,a4] ~@4 [c4,eb4,f4,a4]@5 [c4,eb4,f4,a4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~", // F7 Bb
  P: "~@3 [db4,f4,bb4]@5 [db4,f4,bb4] ~@4 [db4,f4,bb4]@5 [db4,f4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@3", // Bbm F
  Q: "[~ [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 ~ [c4,f4,a4] ~@3 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,g4,bb4]@5 [g4,bb4] [c4,e4] ~@3 [c4,e4,g4,bb4]@5 ~ [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,f4,a4,bb4,c5] ~@23]/3", // F C7 Gm C C7 F Fmaj7
  R: "~ [f4,a4] c4 ~@4 c4@4 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4], ~@3 [f4,a4]@2 ~@11", // F
  S: "~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@2", // C7
  T: "[[c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@5 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,eb4,f4,a4]@5 [c4,eb4,f4,a4] ~@4 [c4,eb4,f4,a4]@5]/3", // C7 F F7
  U: "[c4,eb4,f4,a4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~", // F7 Bb
  V: "~@3 [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@3", // Bb F
  W: "~@2 c4@4 a4 [c4,f4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4, ~ [f4,a4]@5 ~@26", // F5 F C7 F
  X: "[c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 c4 [f4,a4,c5]", // C7 F
  Y: "[~@19 [c4,f4,a4]@4 ~ [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@4 [c4,f4,a4] ~@4 [c4,e4,g4,bb4]@4 ~ [c4,e4,g4,bb4]]/2", // F C7
  Z: "~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@5 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~", // C7
  AA: "~@3 [c4,e4,g4,bb4]@4 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 ~ [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@3", // C7
  AB: "[~ [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,eb4,f4,a4]@5 [c4,eb4,f4,a4] ~@4 [c4,eb4,f4,a4]@5 [c4,eb4,f4,a4] ~@4 [d4,f4,bb4]@5]/3", // C7 F F7 Bb
  AC: "[d4,f4,bb4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@5 db4@4 [db4,f4,bb4] ~@5 [db4,f4,bb4]@5 [db4,f4,bb4], ~@15 [f4,bb4]@5 ~@12", // Bb Bbm Bb5
  AD: "~@4 [c4,a4]@5 [c4,f4,a4] ~@3 [c4,f4,a4]@5 ~ [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@2, ~@3 f4@5 ~@24", // F
  AE: "~@2 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4", // F C7
  AF: "[c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,f4,a4,bb4,c5] ~@11", // F Fmaj7
  AG: "~@14 [c4,f4,a4] ~@4 [c4,f4,a4]@4 a4 [c4,f4] ~@3 [c4,f4,a4]@4", // F F5 F
  AH: "~ [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4]", // F C7
  AI: "~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@4 ~ [e4,g4,bb4] c4 ~@4 [e4,bb4]@4 [c4,e4,g4,bb4] ~@2, ~@24 [c4,g4]@5 ~@3", // C7 Edim C7 C5
  AJ: "~@2 [c4,e4,g4,bb4]@4 ~ [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@5 [e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@3, ~@22 c4@5 ~@5", // C7 Edim C7
  AK: "[~ c4@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@5 c4@4 [c4,f4,a4] ~@4 [c4,eb4,f4,a4]@5 [c4,eb4,f4,a4] ~@4 [c4,eb4,f4,a4]@5 [c4,eb4,f4,a4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [d4,f4,bb4]@5, [f4,a4]@5 ~@46 [f4,a4]@5 ~@40]/3", // F F7 Bb F
  AL: "~ [d4,f4,bb4] ~@4 [d4,f4,bb4]@4 [d4,f4,bb4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@5 [c4,f4]@5 [c4,f4,a4], ~@25 a4@5 ~@2", // Bb F5 F
  AM: "~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@2", // F
  AN: "~@2 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@5 c4@5 [c4,f4,a4] ~@3, ~@22 [f4,a4]@5 ~@5", // C7 F
  AO: "[~ [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4,c5] ~@19 [c4,f4,a4]@4 ~ [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@3 [c4,e4,g4,bb4]@4 ~ [c4,e4,g4,bb4] ~@5 [e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5, ~@80 c4@5 ~@11]/3", // F C7 Edim C7
  AP: "[c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@4 ~ [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~", // C7
  AQ: "~@3 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 ~ [c4,f4,a4] ~@2", // C7 F
  AR: "~@2 c4@4 [c4,f4,a4] ~@5 c4@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4, ~ [f4,a4]@5 ~@5 [f4,a4]@5 ~@16", // F
  AS: "[[c4,f4,a4]@5 [c4,f4,a4] ~@4 c4@4 a4 [c4,f4] ~@3 [c4,eb4,f4,a4]@5 ~ [c4,eb4,f4,a4] ~@3 [c4,eb4,f4,a4]@5 [c4,eb4,f4,a4] ~@4 [d4,f4,bb4]@5 ~ [d4,f4,bb4] ~@4 [d4,f4,bb4]@5 [d4,f4,bb4] ~@4 [db4,f4,bb4]@4, ~@9 [f4,a4]@5 ~@50]/2", // F F5 F7 Bb Bbm F
  AT: "~ [db4,f4,bb4] ~@4 [db4,f4,bb4]@5 [db4,f4,bb4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4]", // Bbm F
  AU: "~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@4 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@2", // F C7
  AV: "~@2 [c4,e4,g4,bb4]@5 [c4,e4,g4,bb4] ~@4 [c4,f4,a4]@5 ~ [c4,f4,a4] ~@4 [c4,f4,a4]@5 [c4,f4,a4] ~@3", // C7 F
  AW: "~ [c4,e4,f4,a4,bb4,c5] ~@30", // Fmaj7
})).s("gm_acoustic_guitar_steel").gain(0.56).pan(0.4)

// chords · rock organ · "ORGAN 3"
const rock_organ = note("<A@5 B@5 C@6 D@5 E@4 F@2 G@3 H@7 I@5 J@6 ~ K@4 L@4 M@3 N@8 O@2>".pickRestart({
  A: "[~@15 [c5,f5,a5]@20 [c5,eb5,f5,a5]@19 ~ d5@20 ~ d6@9 d5@8 ~@2 [c5,a5]@9 ab5 c6@5 [ab5,b5]@4 ~ [g5,bb5]@9 ~ [c5,e5,g5,bb5]@9 ~ [c5,f5,a5]@20 ~ [c5,f5,a5] ~@3, ~@55 f5@49 ~@56, ~@55 bb5@40 ~@9 a5@7 ~@49]/5", // F F7 F Abm Gm C7 F
  B: "[~@16 c5@25 c6@8 [ab5,b5]@6 ~@15 eb5@6 e5@22 ~@2 eb5 ~ e5@7 [d5,f5]@7 ~@10 bb5@10 a5@23 ab5, ~@16 a5@33 ~@6 bb5@45 ~@60, ~@16 f5@22 ~@3 ab5 ~@14 g5@45 ~@15 [e5,g5]@19 ~ f5@21 ~@3, ~@70 c5@28 ~@2 c5@7 ~@19 c5@34]/5", // Abm Dm Em
  C: "[c6@7 [ab5,b5]@5 [g5,bb5]@4 a5@19 ~@2 bb5@9 a5@8 ~@3 d5@20 d6@10 d5@8 ~@2 c5@25 c6@8 ~ b5@6 ~@11 e5@8 ~@2 [f5,a5]@20 [c5,c6]@2 ~@12, ~@16 f5@102 ~@4 ab5@2 ~@6 ab5@7 ~ g5@19 ~@35, ~@37 [c5,eb5]@20 bb5@39 ~ a5@35 ~@5 bb5@20 ~@35, ~@148 c5@29 ~@15]/6", // Abm Gm F C Cm
  D: "[~@6 [c5,a5]@25 [a5,c6]@8 [ab5,b5]@7 ~@13 [b4,eb5]@7 e5@22 ~@3 eb5 e5@6 ~ [f5,a5]@6 ~@12 e5@8 ~@2 f5@21 ~@2 ab5 c6@6 [ab5,b5]@3, ~@6 f5@21 ~@4 ab5@2 ~@13 g5@54 ~@6 g5@19 ~@35, ~@46 bb5@45 ~@16 bb5@20 a5@31 ~@2, ~@66 c5@85 ~@9]/5", // F Am Abm B F Abm
  E: "[~@2 [g5,bb5]@5 a5@17 ~@3 bb5@8 ~@2 a5@7 ~@3 d5@18 ~@2 db5@19 ~ c5@25 c6@9 [ab5,b5]@7, ~@7 f5@102 ~@3 ab5 ~@15, ~@27 [c5,eb5]@19 ~ bb5@40 a5@35 ~@6]/4", // Gm Abm Cm
  F: "[~@5 e5@4 ~ [f5,a5]@10 c6 ~@11, [g5,bb5]@5 ~@11, ~@10 c5@28 ~@2 c5 ~@23]/2", // F Gm
  G: "[~@21 c6@8 [ab5,b5]@7 ~@14 eb5@6 e5@22 ~@3 eb5 e5@7 [d5,f5]@7, ~@21 ab5 ~@14 [g5,bb5]@45 ~@15, ~@50 c5@28 ~@3 c5@7 ~@8]/3", // Abm Dm Gm
  H: "[~@10 bb5@10 f5@21 ~@3 c6@7 [ab5,b5]@5 [g5,bb5]@5 a5@19 ~ bb5@9 ~ a5@8 ~@2 d5@20 d6@10 d5@8 ~@2 c5@25 ~ c6@8 [ab5,b5]@7 ~@10 e5@8 ~@2 [f5,a5]@20 [c5,c6]@2, [e5,g5]@19 ~ a5@32 ~@29 [c5,eb5]@20 bb5@39 ~ a5@35 ~@16 c5@29 ~@3, ~@10 c5@34 ab5@2 ~@15 f5@102 ~@3 ab5@2 ~@14 [g5,bb5]@20 ~@22]/7", // Abm Gm Abm F C Em Cm Gm
  I: "[~@19 [c5,a5]@24 [a5,c6]@9 [ab5,b5]@6 ~@14 b4@6 ~ e5@22 ~@2 eb5 e5@6 ~@2 [f5,a5]@6 ~@11 e5@8 ~@2 [f5,a5]@21, ~@19 f5@21 ~@3 ab5@2 ~@13 g5@54 ~@7 [g5,bb5]@20 ~@21, ~@58 bb5@45 ~@57, ~@71 eb5@7 c5@82]/5", // F Am Abm F Gm
  J: "[~@2 ab5 c6@6 [ab5,b5]@5 [g5,bb5]@5 a5@17 ~@4 bb5@8 ~ a5@7 ~@3 d5@18 ~@3 db5@19 c5@25 ab5 c6@8 [ab5,b5]@7 ~@10 e5@8 ~@2 [f5,a5]@21 c6@2 ~@9, ~@19 f5@102 ~@19 [g5,bb5]@20 ~@32, ~@39 eb5@19 ~ bb5@40 a5@35 ~@58, ~@40 c5@18 ~@92 c5@28 ~@3 c5 ~@10]/6", // Abm Gm Abm F Gm
  K: "[~ c6@8 ~ b5@6 ~@15 eb5@5 e5@22 ~@3 eb5 e5@7 [d5,f5]@7 ~@21 f5@21 ~@3 c6@7, ~ ab5 ~@7 ab5@7 [g5,bb5]@45 ~@15 [e5,g5]@19 ~@25 ab5@2 ~@6, ~@31 c5@28 ~@2 c5@7 ~@18 bb5@10 a5@32, ~@87 c5@34 ~@7]/4", // Dm Gm Em
  L: "[[ab5,b5]@4 [g5,bb5]@5 a5@19 ~ bb5@9 ~ a5@8 ~@2 d5@20 ~ d6@10 d5@8 ~ c5@25 ~ c6@8 [ab5,b5]@5, ~@9 f5@102 ~@3 ab5@2 ~@12, ~@29 [c5,eb5]@20 bb5@39 ~ a5@35 ~@4]/4", // Abm Gm Abm Cm
  M: "[~@12 e5@8 ~@2 [f5,a5]@21 [c5,c6]@2 ~@18 [c5,a5]@24 ~ c6@8, ~@2 [g5,bb5]@20 ~@41 f5@21 ~@3 a5@9, ~@12 c5@29 ~@46 ab5@2 ~@7]/3", // F C F Gm
  N: "[[ab5,b5]@7 ~@13 [b4,eb5]@7 e5@22 ~@2 eb5 e5@6 ~@2 [f5,a5]@7 ~@10 e5@8 ~@2 f5@21 ~@2 ab5 c6@7 [ab5,b5]@4 ~ g5@4 a5@17 ~@4 bb5@8 ~@2 a5@7 ~@3 d5@18 ~@2 db5@19 ~ c5@24 ab5 c6@8 [ab5,b5]@7 [g5,bb5]@8, ~@7 g5@54 ~@6 [g5,bb5]@20 ~@40 f5@102 ~@27, ~@7 bb5@45 ~@35 a5@31 ~@4 bb5@4 ~@42 bb5@40 ~@48, ~@27 c5@85 ~@36 [c5,eb5]@19 ~@40 a5@35 ~@14]/8", // Abm B F Abm Gm Cm
  O: "[~@2 e5@8 ~@3 f5@20 c6@2 ~@29, ~@2 c5@28 ~@3 c5 ~@30, ~@6 a5@11 ~@15]/2",
})).s("gm_rock_organ").gain(0.48).pan(0.7)

// drums · kick
const kick = s("bd").struct(`<
  A B C D E F G H I J K L B M I N O G H P Q K L B R I S O G H T Q K L U H V W X L Y Z Q E O G H AA W AB AC Y Z AD AE AF
  G AG AH Q K L AI H I AE O G B AJ
>`.pickRestart({
  A: "~@15 x ~@9 x ~@6", B: "~@3 x ~@9 x ~@9 x ~@8", C: "~@2 x ~@9 x ~@8 x ~@10", D: "x ~@9 x ~@8 x ~@9 x ~@2",
  E: "~@7 x ~@9 x ~@10 x ~@3", F: "~@8 x ~@4 x ~@2", G: "~@2 x ~@4 x ~@4 x ~@3", H: "~ x ~@4 x ~@4 x ~@4",
  I: "x ~@4 x ~@4 x ~@4 x", J: "~@8 x ~@9 x ~@10 x ~@2", K: "~@7 x ~@9 x ~@9 x ~@4", L: "~@5 x ~@9 x ~@9 x ~@6",
  M: "~ x ~@9 x ~@9 x ~@10", N: "~@4 x ~@4 x ~@6", O: "~@3 x ~@4 x ~@4 x ~@2", P: "x ~@9 x ~@10 x ~@9 x",
  Q: "~@9 x ~@9 x ~@9 x ~@2", R: "~ x ~@10 x ~@8 x ~@10", S: "~ x ~@2", T: "x ~@10 x ~@9 x ~@9 x",
  U: "~@3 x ~@9 x ~@10 x ~@7", V: "x ~@9 x ~@9 x ~@10 x", W: "~@19 x ~@8 x ~@3", X: "~@7 x ~@8 x ~@9 x ~@5",
  Y: "~@2 x ~@10 x ~@9 x ~@8", Z: "~ x ~@9 x ~@9 x ~@9 x", AA: "x ~@10 x ~@9 x ~@10", AB: "~@6 x ~@10 x ~@8 x ~@5",
  AC: "~@4 x ~@10 x ~@8 x ~@7", AD: "~@10 x ~@8 x ~@9 x ~@2", AE: "~@4 x ~@4 x ~@4 x ~", AF: "~@5 x ~@10 x ~@9 x ~@5",
  AG: "~@2 x ~@9 x ~@10 x ~@8", AH: "~ x ~@9 x ~@19 x", AI: "~@3 x ~@10 x ~@9 x ~@7", AJ: "~ x ~@30",
})).gain(0.64).pan(0.9)

// drums · snare
const snare = s("sd").struct(`<
  A B C D E F G C H I J K B L H M N O P Q R J S T C H U V G C Q R J K G C W X Y K Z AA R AB AC G C AD AE AF K B AG AH AI
  AJ G AK AL R AM S AN AO H AP AJ AQ B AR
>`.pickRestart({
  A: "~@10 x ~@4 x", B: "~@4 x ~@4 x ~@4 x ~", C: "~@7 x ~@9 x ~@9 x ~@4", D: "~@5 x ~@8 x ~@9 x ~@7",
  E: "~ x ~@4 x ~@4 x ~@2 x ~", F: "~@21 x ~@9 x", G: "~@9 x ~@9 x ~@9 x ~@2", H: "~@5 x ~@9 x ~@9 x ~@6",
  I: "~@3 x ~@10 x ~@9 x ~@7", J: "~ x ~@4 x ~@4 x ~@4", K: "x ~@4 x ~@4 x ~@4 x", L: "~@7 x ~@8 x ~@10 x ~@4",
  M: "~@3 x ~@9 x ~@4 x ~@13", N: "x!2 ~@9 x ~@9 x ~@9 x", O: "~@9 x ~@2 x ~@6 x ~@10 x ~",
  P: "~@7 x ~@9 x ~@3 x ~@5 x ~@4", Q: "~@3 x ~@4 x ~@4 x ~@2", R: "~@2 x ~@4 x ~@4 x ~@3",
  S: "x ~@9 x ~@2 x ~@6 x ~@9 x ~", T: "~@9 x ~@8 x ~@10 x ~@2", U: "~@3 x ~@4 x ~@23", V: "~@2 x ~@8 x ~@9 x ~@9 x",
  W: "~@5 x ~@9 x ~@10 x ~@4 x", X: "~@6 x!2 ~@4 x ~@3", Y: "~@2 x ~@9 x ~@8 x ~@3 x ~@6",
  Z: "~ x ~@6 x ~@9 x ~@9 x ~@3", AA: "~@6 x ~@10 x ~@8 x ~@5", AB: "~ x ~@4 x ~@4 x ~ x ~@2",
  AC: "x ~@10 x ~@9 x ~@9 x", AD: "~@6 x ~@9 x ~@4 x ~@10", AE: "~@7 x ~@4 x ~@3", AF: "~@2 x ~@9 x ~@8 x ~@10",
  AG: "~@6 x ~@9 x ~@10 x ~@4", AH: "~@5 x ~@9 x ~@8 x ~@7", AI: "~@3 x ~@9 x ~@9 x ~@8", AJ: "~ x ~@9 x ~@9 x ~@9 x",
  AK: "~@7 x ~@10 x ~@9 x ~@3", AL: "~@6 x ~@4 x ~@12 x ~ x ~@5", AM: "~@2 x ~@2 x ~@6 x ~@9 x ~@9",
  AN: "~@8 x ~@10 x ~@9 x ~@2", AO: "~@7 x ~@9 x ~@8 x ~@5", AP: "~@3 x ~@2 x ~@6 x ~@9 x ~@8",
  AQ: "~@9 x ~@9 x ~@10 x ~", AR: "~ x ~@30",
})).gain(0.64).pan(0.9)

// drums · hihat
const hihat = s("hh").struct(`<
  A B C D E F G H I J K L M N O P ~@11 Q R S T U V W G X Y ~@11 Z AA AB AC N AD AE AF AG AH AI ~@11
>`.pickRestart({
  A: "~@20 x ~@2 x ~@6 x ~", B: "~ x ~@2 x ~ x ~@2 x ~ x ~@2 x ~", C: "x ~@6 x ~@2 x ~@6 x ~@2 x ~@5 x ~@3 x ~",
  D: "~@5 x ~@2 x ~@5 x ~@3 x ~@5 x ~@3 x ~@3", E: "~ x ~ x ~@2 x ~ x ~@2 x ~@2 x ~", F: "~@21 x ~@3 x ~@5 x",
  G: "~@2 x ~@6 x ~@2 x ~@6 x ~@2 x ~@6 x ~@2", H: "x ~@6 x ~@2 x ~@6 x ~@3 x ~@5 x ~@2 x ~",
  I: "~@5 x ~@3 x ~@5 x ~@3 x ~@5 x ~@3 x ~@2", J: "~@3 x ~@3 x ~@6 x ~@2 x ~@6 x ~@2 x ~@4",
  K: "~@2 x ~@2 x ~@6 x ~@2 x ~@6 x ~@2 x ~@6", L: "x ~@2 x ~@6 x ~@3 x ~@5 x ~@2 x ~@6 x ~",
  M: "~ x ~@6 x ~@2 x ~@6 x ~@3 x ~@5 x ~@3", N: "x ~@2 x ~ x ~@2 x ~ x ~@2 x ~ x",
  O: "~@5 x ~@2 x ~@6 x ~@2 x ~@6 x ~@2 x ~@3", P: "~@3 x ~@3 x ~@5 x ~@4 x ~@13",
  Q: "~@2 x ~@2 x ~@5 x ~@3 x ~@5 x ~@3 x ~@5 x", R: "~@2 x ~@6 x ~@3 x ~@5 x ~@3 x ~@5 x ~@2",
  S: "~ x ~@5 x ~@3 x ~@5 x ~@3 x ~@6 x ~@2 x", T: "~@5 x ~@3 x ~@6 x ~@2 x ~@6 x ~@2 x ~@2",
  U: "~@4 x ~@3 x ~@5 x ~@3 x ~@5 x ~@2 x ~@4", V: "~@2 x ~@3 x ~@5 x ~@2 x ~@6 x ~@3 x ~@5",
  W: "x ~@3 x ~@5 x ~@2 x ~@6 x ~@3 x ~@5 x ~", X: "x ~@6 x ~@2 x ~@6 x ~@2 x ~@6 x ~@3 x",
  Y: "~@5 x ~@3 x ~@6 x ~@2 x ~@6 x ~@4 x", Z: "~@14 x ~@2 x ~@6 x ~@2 x ~@4",
  AA: "~ x ~@3 x ~@5 x ~@3 x ~@5 x ~@3 x ~@5 x", AB: "~@3 x ~@6 x ~@2 x ~@6 x ~@2 x ~@6 x ~",
  AC: "~ x ~@6 x ~@2 x ~@6 x ~@2 x ~@6 x ~@3", AD: "~@4 x ~@3 x ~@6 x ~@2 x ~@5 x ~@3 x ~@3",
  AE: "~@3 x ~@2 x ~@6 x ~@2 x ~@6 x ~@2 x ~@5", AF: "x ~@3 x ~@6 x ~@2 x ~@6 x ~@2 x ~@6 x",
  AG: "~@2 x ~@6 x ~@2 x ~@6 x ~@3 x ~@5 x ~@2", AH: "~ x ~@5 x ~@3 x ~@6 x ~@2 x ~@6 x ~@2 x", AI: "~@6 x ~@4 x ~@20",
})).gain(0.64).pan(0.9)

// drums · open hat
const open_hat = s("oh").struct(`<
  A B C D E F G C H I J K B L H M ~@10 N O G C P Q J K R S T ~@11 U V G B W Q X Y G Z AA ~@11
>`.pickRestart({
  A: "~@15 x ~@9 x ~@6", B: "~@3 x ~@9 x ~@9 x ~@8", C: "~ x ~@4 x ~@4 x ~@4", D: "x ~@9 x ~@8 x ~@9 x ~@2",
  E: "~@7 x ~@9 x ~@14", F: "~@8 x ~@4 x ~@2", G: "~@2 x ~@4 x ~@4 x ~@3", H: "x ~@4 x ~@4 x ~@4 x",
  I: "~@8 x ~@9 x ~@10 x ~@2", J: "~@7 x ~@9 x ~@9 x ~@4", K: "~@5 x ~@9 x ~@9 x ~@6", L: "~ x ~@9 x ~@9 x ~@10",
  M: "~@4 x ~@4 x ~@6", N: "~@7 x", O: "~@3 x ~@4 x ~@4 x ~@2", P: "x ~@10 x ~@9 x ~@9 x", Q: "~@9 x ~@9 x ~@9 x ~@2",
  R: "~@3 x ~@9 x ~@10 x ~@7", S: "~ x ~@10 x ~@9 x ~@9", T: "x ~@9 x ~@9 x ~@10 x", U: "~@9 x ~@9 x ~@8 x ~@3",
  V: "~@7 x ~@8 x ~@9 x ~@5", W: "~ x ~@9 x ~@9 x ~@9 x", X: "~@8 x ~@8 x ~@10 x ~@3", Y: "~@5 x ~@10 x ~@9 x ~@5",
  Z: "~@2 x ~@10 x ~@9 x ~@8", AA: "~ x ~@9 x ~@20",
})).gain(0.72).pan(0.9)

// drums · crash
const crash = s("cr").struct("<~@19 A ~ B C D E F ~@15 G H I ~ J E K ~@14 D ~ K L M J N ~>".pickRestart({
  A: "~@31 x", B: "~@7 x ~@24", C: "~@15 x ~@16", D: "~@3 x", E: "~@3 x ~@4", F: "x ~@4 x ~@2", G: "~@11 x ~@20",
  H: "~@19 x ~@12", I: "~@7 x", J: "~ x ~@4 x ~", K: "x", L: "~ x ~@2", M: "~ x", N: "~@13 x ~@18",
})).gain(0.8).pan(0.9)

// drums · ride
// … 21 more lines